Average Co-Inventor Count = 4.00
ph-index = 1
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Pfizer Corporation (2 from 4,455 patents)
2 patents:
1. 5663349 - Preparation of substituted piperidenes
2. 5364943 - Preparation of substituted piperidines